188 results about "Odor control" patented technology

The invention relates to the technical field of smart home environment control, in particular to a temperature and humidity control method and system for smart home, and the method comprises the following steps: S1, monitoring the indoor temperature and humidity and the VOC concentration in the air in real time; s2, on the basis of the VOC concentration data collected in the S1, identifying and analyzing peculiar smell components; s3, constructing a temperature and humidity and peculiar smell interaction relation model; s4, generating an adjusting scheme for the current environment according to the temperature and humidity and peculiar smell relation model constructed in the S3; s5, executing corresponding adjustment operation according to the adjustment scheme generated in the step S4; and S6, dynamically updating and optimizing the temperature and humidity and peculiar smell interaction model. According to the method, the interactive relation model of the temperature, the humidity and the VOC concentration is constructed, the adaptive optimization technology is combined, the temperature, the humidity and the air quality are dynamically adjusted, and the accuracy of indoor peculiar smell control and the intelligent level of environment adjustment are improved.

The invention discloses an intelligent directional and quantitative smell generation method in virtual reality olfaction interaction, and relates to the technical field of virtual reality. The invention provides an intelligent, directional and quantitative smell generation method in order to solve the technical problems that in smell generation work in virtual reality in the prior art, the variety and generation precision of smell are limited, an accurate smell concentration control mechanism is lacked, and interactive linkage with user actions and a virtual environment is lacked. In combination with an odor molecule dynamic combination technology, a deep learning prediction model, closed-loop concentration control and a spatial orientation transmission system, richer, personalized and immersive olfactory interaction experience is provided. Comprising a smell synthesis module, a digital smell control unit, an intelligent smell prediction model, a directional smell transmission system and a virtual wind field simulation module. The method is suitable for being applied to the work of intelligent directional and quantitative smell generation in virtual reality olfaction interaction.

Devices, systems, and methods for selectively emitting scent control material responsive to local conditions of a scent control device. The local conditions may dictate the effectiveness of a given set of output parameters of a scent control device. The scent control device accepts as input, one or more conditional inputs carrying information about the local conditions around the scent control device, such as weather conditions, elevation, barometric pressure, or functional status of the scent control device. Operational programs corresponding to the conditional inputs may be automatically selected based on the combination of conditional inputs to cause the output parameters of the scent control device to match or take into account the local conditions. The scent control device then outputs scent control material such as ozone at a rate effective to control one or more scents to a level that is not perceivable by animals or humans.

A waste container having an internal waste bag is disclosed having multiple lids and an odor controlling mechanism with planar sheets built into one of the lid assemblies, which prevents odors from within the internal waste bag from passing to the outside.

The air conditioner comprises a refrigerant circulation loop, an indoor fan, an indoor environment temperature sensor, a coil pipe temperature sensor and a controller, and the controller is configured to determine a first expected surface temperature corresponding to the air conditioner based on the indoor environment temperature and preset humidity when a first preset condition is met, the first preset condition comprises that in the refrigeration mode or the dehumidification mode, the indoor environment temperature does not exceed the sum value of the set temperature and the first preset temperature difference value; and the operation state of the indoor fan is controlled based on the first difference value between the indoor coil pipe temperature and the first expected surface temperature or the frequency of the compressor, so that the stability of the indoor temperature is guaranteed under the condition that condensate water on the surface of the indoor heat exchanger is kept non-volatile. The problem that the user comfort and peculiar smell control are contradictory in the air supply stage of a traditional air conditioner is solved, and the user comfort is improved.

A waste container with a universal waste bag cartridge is disclosed having multiple lids and an odor controlling mechanism built into one of the lid assemblies, which prevents odors from within the internal waste bag from passing to the outside.

The invention discloses a multi-region aerosol disinfection and odor removal control method and system based on the Internet of Things, and the method comprises the steps: deploying a sensor network in multiple regions, synchronously collecting and carrying out the time-space correlation processing of multi-modal data including chemical, acoustic, thermal imaging and air flow field data; adopting a probabilistic reasoning model to estimate the probability that each area becomes a pollution source in real time, and generating a pollution source probability distribution map; on the basis of the distribution diagram and the air flow field data, the diffusion trend of pollutants is predicted through a diffusion prediction model, and a composite control strategy for treating a pollution source and intervening a pollutant diffusion path is generated; acquiring actual environment data fed back by the sensing network, comparing the actual environment data with a deviation generated by a prediction result, and performing parameter adjustment on the probabilistic reasoning model or the diffusion prediction model according to the deviation; according to the invention, the problems of response lag, no traceability and lack of predictive intervention capability in the prior art are solved, and adaptive control of pollution events is realized.

The embarrassment of passing gas in public is ubiquitous. Accordingly, certain aspects of the present invention are directed to providing filter underwear (also known as underpants) that is generally constructed with a single ply of underwear side panels that are separated by an activated carbon center panel that is removable from the underwear. Certain embodiments contemplate an odor control underwear being an underwear system that generally includes an underwear comprising a pocket that is fit to accommodate a removable activated carbon adsorbent sleeve. Accordingly, after at least one use (i.e., a time of wearing the underwear system), the adsorbent sleeve can be removed from the accommodating pocket, and therefore the underwear, whereby the adsorbent sleeve can be washed, dried, and reinserted in the accommodating pocket for another underwear use.

The present technology relates to fluff pulp having improved odor control and methods of making such fluff pulp. A fluff pulp is provided that includes bleached kraft fibers and a copper ion content of from about 0.2 ppm to about 50 ppm by weight of the bleached kraft fibers. The bleached kraft fibers include a length-weighted average fiber length of at least about 2 mm, a copper number of less than about 7, a carboxyl content of greater than about 3.5 meq / 100 grams; an ISO brightness of at least 80; and a viscosity of from about 2 cps to about 9 cps.

Gas bio-trickling filter (g-BTF) processes are provided for polluted air purification mainly focusing on the treatment of VOCs and odor using low-cost filter media (agricultural waste i.e., wood char coal and other waste i.e., sludge, compost etc.) that is cheap and readily available. Apparatus for purifying volatile organic compounds and odor control enriched air stream uses a consortium of the microorganisms including Rhodococus sp., Paracocus sp, Microbacterium sp., Mutant Paracocus denitrificans sp. The consortium approach ensures a broader range of VOC degradation capabilities, allowing for efficient removal of multiple compounds simultaneously. This versatility makes biotrickling filters highly adaptable to different industrial settings, such as paint manufacturing plants or automotive facilities. Compared to other process (thermal and chemical process), the developed BTF process are associated with the lowest operating and maintenance costs. Overall VOC and odor removal efficiency of the g-BTF unit is 99.9%.

The invention relates to the technical field of air pollution control, and discloses a process for treating odor generated in organic industry by a direct absorption method, which comprises the following steps: S1, feeding odor into cooling and dehumidifying equipment through negative pressure, condensing most of steam in waste gas into water, and recycling condensed water; s2, a fan is arranged on a gas pipeline between cooling and dehumidifying equipment and an absorption tower, the subsequent higher pressure difference can be overcome, and under the low-humidity and low-temperature working condition, the fan feeds gas into the absorption tower; s3, gas enters an absorption tower through a fan, and a gas pipeline arranged at the top of the absorption tower is connected with a chimney for discharging; and S4, discharging the cooling circulating water and the absorption liquid to a sewage pipeline through an overflow port, and sending the cooling circulating water and the absorption liquid to a sewage treatment unit. In the operation process, frequent replacement of adsorption materials or complex equipment maintenance is not needed, the investment of manpower, material resources and financial resources for long-term operation is reduced, and effective treatment of odor can be achieved in the organic industry with low cost.

The invention is a flow-through flow-through filter that can separate raw water and / or sewage to filtered stream, fine particle stream and grit stream in one hydraulic device. For raw lake and / or canal water intake application, the flow-through filter is placed inside a chamber box that is mounted on a water intake rack structure or diversion canal. The invention filters debris and organisms to prevent biomes formation in pumps and waterlines that delivers raw water to a water treatment plant. The flow-through filter withdraws flows from a raw water body without taking defined sediment, floating debris and target aquatic biomes and eliminates the need of discharging remnants to a sewage system.For wastewater treatment, the flow-through filter is installed over a wet well after the headwork rack and may replace the grit removal, primary clarifier, and the fine screening. The flow-through filter requires a much smaller footprint of the area and / or enclosed building that requires smaller odor control. There is a substantial cost saving of using one device and replaces grit removal, primary basin, and fine screening.

An automatic toilet bowl covering device is provided. The device is comprised of an automatic toilet bowl covering device designed to enhance bathroom hygiene by deploying a flexible, multi-layered cover over the toilet bowl opening during flushing to prevent the dispersion of airborne waste particles. The cover comprises hydrophobic, oleophobic, and antimicrobial layers for durability, cleanliness, and odor control, with accordion-style folds and elastic edging ensuring secure deployment and retraction. A motorized mechanism powered by a brushless DC motor smoothly operates the cover along guide tracks, while sensors automate the system based on user movement, lid position, and flushing activity. A UV-C light sterilizes the cover post-use within a storage compartment.

This disclosure relates to improved packaging materials containing oxidized cellulose. More particularly, this disclosure relates to improved packaging materials containing oxidized cellulose exhibiting one or more of improved odor control and / or improved antimicrobial properties. This disclosure further relates to the use of oxidized cellulose in packaging materials as an anti-counterfeiting agent, and methods of testing for the same.

To provide a cleaning guide system capable of accurately performing a cleaning guide of a restroom.SOLUTION: A cleaning guide system comprises: a smell sensor which detects smell in a restroom; a control section which determines whether or not cleaning is needed based on a detection result of the smell sensor; and a notification section which performs notification of a cleaning guide in a case where it is determined by the control section that cleaning is needed. The smell in the restroom has first smell for which cleaning is needed and second smell for which cleaning is not needed. In a case where a smell value detected by the smell sensor is caused by the first smell, the control section performs notification of the cleaning guide. In a case where the smell value detected by the smell sensor is caused by the second smell, the notification section does not perform the notification of the cleaning guide.SELECTED DRAWING: Figure 5

A wound dressing is provided, comprising a wound facing layer an opposing backing layer and a layered, interior arrangement positioned therebetween. The interior arrangement comprises an absorbent core, an activated carbon containing layer and a zeolite containing layer.

The utility model provides a safe liquid feeding device which comprises a reaction kettle, a liquid bin, a vacuum system, a micro-pressure nitrogen system, a flow meter, a nitrogen regulating valve and a pressure detector, the vacuum system is connected with the reaction kettle, and the micro-pressure nitrogen system is connected with the liquid bin through a nitrogen conveying pipe. A second sealing valve, a nitrogen adjusting valve and a first sealing valve are further sequentially arranged on the nitrogen conveying pipe in the direction from the micro-pressure nitrogen system to the liquid bin, and a pressure detector is further arranged on the liquid bin and connected with the nitrogen adjusting valve; a discharging pipe extending into the bottom of the liquid bin is further arranged on the liquid bin, the discharging pipe is connected with the reaction kettle through a connecting pipe, and a flow meter and a sight glass are further arranged on the connecting pipe. According to the device, the whole feeding process is closed, the liquid catalyst can be quantitatively fed at a constant speed, the risk of material leakage is avoided, and the field smell control is relatively good.

To provide a diffuser, a smell control system, an information processor and a program which can diffuse a substance such as appropriate perfume into a space according to smell of the space.SOLUTION: There is provided a diffuser for diffusing a substance according to one aspect of the present invention. The diffuser includes a detection part, an information holding part, a comparison part, and a diffusion part. The detection part is configured to be able to detect smell in the air by a smell sensor including at least a crystal oscillator sensor. The information holding part holds at least one set of feature information indicating a feature of target smell and substance information indicating a substance corresponding to the smell. The comparison part is configured to be able to compare a detection result by the detection part and the feature information. The diffusion part is configured to be able to diffuse the substance indicated by the substance information corresponding to the feature information when the detection result coincides with the feature information.SELECTED DRAWING: Figure 3

A chemical composition for controlling odor and to a method of using the chemical composition to impart an odor control treatment to an article, more particularly to a textile material or a building or construction material. The chemical composition comprises a metal compound selected from the group consisting of a metal oxide, a metal hydroxide, and a combination thereof and a sulfo polyester. Methods of making and of using are provided.

Bag, in particular garbage bag, comprising a bag body (2) made of a film of plastic and / or paper and a carrier (18) in the form of a planar structure (19) with a large surface area (21) with an odor-controlling substance (22) on the surface (21), wherein the bag body (2) comprises two side walls (3, 4) which define an opening (16) with their upper edge, are connected to each other at their lateral edges by lateral weld seams (7, 8) and at their lower edge by a bottom or other closure (17) and the carrier (18) is arranged in and attached to the bag body, characterized in that the carrier (18) is arranged in a strip shape and in the upper half of the bag body (2).

This invention relates to the field of air purification technology, specifically disclosing an odor control device based on the Internet of Things (IoT). The device includes a first filter box with an air inlet groove on its surface and an air outlet groove at its bottom. A second filter box is disposed on the inner wall of the first filter box, containing a filter chamber assembly filled with activated carbon particles. A motor is mounted on the side wall of the second filter box, and a rotating rod is fixedly connected to the motor's output end. The rotating rod passes through the second filter box and is rotatably connected to it. A stirring assembly is fixedly connected to the outer wall of the rotating rod. In use, the motor is started to drive the rotating rod to rotate, which in turn drives the stirring assembly to rotate. The rotation of the stirring assembly causes the activated carbon particles in the filter chamber assembly to move, thereby increasing the contact area between the ambient gas and the activated carbon particles, thus improving filtration efficiency and reducing filtration costs.

The present invention provides a device and method for monitoring and graded control of odor pollution in a garbage disposal site, relating to the technical field of odor control in garbage disposal sites. The device comprises: a multi-stage pretreatment module for performing graded dehumidification and dust removal treatment on the monitored gas to obtain pretreated gas; an integrated monitoring module for obtaining an electrical signal of the odor component concentration of the pretreated gas; a first data processing module for converting the electrical signal of the odor component concentration to obtain a chemical concentration monitoring value; a second data processing module for converting the chemical concentration monitoring value into an odor concentration monitoring value; a grading module for grading the odor concentration monitoring value to obtain different levels of odor pollution; and a deodorization module for generating different deodorization implementation plans based on the odor concentration level. The present invention solves the problems of low odor monitoring accuracy and high odor control costs in the prior art.

The invention belongs to the technical field of intelligent household appliances, and particularly relates to an intelligent household appliance peculiar smell prevention control method, device and equipment and a computer storage medium. According to the method, the operation state of an anti-odor mode of a target intelligent household electrical appliance is obtained, and when the anti-odor mode is in an open state, the target operation duration, the target operation frequency and the target operation wind speed of the target intelligent household electrical appliance are obtained; and performing logic judgment on the target operation duration, the target operation frequency and the target operation wind speed, determining a control parameter of an anti-odor mode, and further controlling the target intelligent household appliance to perform anti-odor treatment according to the control parameter. According to the method, the probability that condensate water exists in the intelligent air conditioner is reduced, the possibility that the condensate water goes bad is further reduced, the refrigerating efficiency of the intelligent air conditioner is improved, and therefore the purpose of saving energy is achieved, the indoor air quality is improved, the long-term maintenance cost is reduced, and the use experience of a user is improved.

1. The name of this design product: Deodorizing device (horizontal row 1). 2. Purpose of this design product: Used as an odor-proof device for water pipes, used for drainage or odor prevention. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

Field hygiene paste for multiple applications, especially for use without water in military operations.

The invention discloses a refrigerator smell control method and device, a refrigerator and a storage medium. An essential oil slow-release device comprising a plurality of cavities is arranged in a refrigerator chamber, and essential oil with different functions is placed in different cavities. After the smell control function is started, essential oil in the multiple cavities is controlled to be released so as to operate a normal antibacterial mode; detecting the opening and closing state of a compartment door and the concentration of VOCs in the compartment; if it is detected that the chamber doors are opened, essential oil in the multiple chambers is controlled to be released so as to operate a rapid refreshing mode; if the VOCs concentration reaches a preset condition, essential oil release of the multiple cavities is controlled so as to operate an emergency purification mode; the chambers for releasing the essential oil are different in different modes. The essential oil with different functions can be released independently or in a combined manner, multiple modes are realized, and different requirements are met; a normal antibacterial mode is defaulted to run, and peculiar smell is slowed down; the environment change in the refrigerator is intelligently sensed, the smell control strategy is automatically adjusted according to the environment change, and the response speed and control precision of smell control are improved.

The application discloses a refrigerator and a method for controlling odor purification, and the method comprises the following steps: receiving current humidity monitoring data sent by a humidity sensor; determining whether the available volume in the storage compartment changes according to the current humidity monitoring data; if the available volume changes, determining the current available volume according to the current humidity monitoring data; determining the target parameter value of the target operating parameter of the odor purification device according to the current available volume, wherein the target parameter value of the target operating parameter is positively correlated with the current available volume; controlling the odor purification device to operate according to the target parameter value of the target operating parameter, so that the total working time of the odor purification device is positively correlated with the current available volume. According to the embodiment of the application, the parameter value of the target operating parameter of the odor purification device can be dynamically adjusted according to different available volumes in the refrigerator refrigerating chamber, so that the odor purification effect is improved, and the risk of ozone concentration exceeding the standard due to the change of the available volume is effectively avoided.

This application generally relates to absorbent articles comprising aqueous-based odor control compositions and non-complexed perfume compositions, applied in patterns which do not substantially overlap, and methods of making the same.

A piston-flush toilet comprising a toilet bowl, a waste passage system, a piston mechanism and a water reservoir. The improved waste passage closes the piston mechanism which pushes waste to the outlet with only one liter of water per flush. The water reservoir automatically refills the bowl after each use and is configured to maintain a water seal even if the main valve fails, ensuring odor control and efficient waste removal.

A water recycle system may be implemented to analyze and selectively recycle wastewater generated by an industrial textile washer. In some examples, wastewater generated by the industrial textile washer undergoes various treatment processes to generate a clarified wastewater that is stored before being recycled for reuse in the textile washer. Microbial contamination can grow in this stored water over time and the water can become odorous, which is undesirable when subsequently reusing the water to wash textiles. Systems and techniques can be implemented to treat the clarified water to control odor and / or microbial contamination, improving the effectiveness and quality of the water recycle system.